Alkali-Active Sand Slate Powder for Use as Mineral Admixture in Mass Hydraulic Concrete: Technical and Economic Analysis

Figure 8

SEM/EDS pattern of ASSP-FA-cement ternary pastes of sample coded AF1. (a) AF1-7 d (×5000), (b) AF1-28 d (×5000), and (c)AF1-56 d (×5000).

(a)

(b)

(c)